| 摘要 |
<p>An image projection system comprises a projecting means (10) for projecting an image including a pointer onto a desired display area; a remote controller (20) having an operating portion including a pointing device (28) for controlling a display position of said pointer and operation keys (22); and a main control means (40) for controlling said projecting means according to an operation signal from said operating portion and a predetermined control program, and for controlling a display position of said pointer in accordance with an operation signal from said pointing device. The remote controller (20) goes into a sleep mode to stop power supply to said pointing device (28), when said pointing device is inactive for a predetermined period.</p> |
